This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Discourse > Substitution – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 3 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If b = 7, calculate 6b A) 42. B) 13. C) 40. D) None of the above. Show Answer Correct Answer: A) 42. 2. Simplify.2x-6x-3 = 7 A) -7x = 7. B) 4x + 3 = 7. C) 8x-3 = 7. D) -4x-3 = 7. Show Answer Correct Answer: D) -4x-3 = 7. 3. What is the solution to this system?y = x + 54x + y = 20 A) (8, 3). B) (3, 8). C) (2, 0). D) (0, 2). Show Answer Correct Answer: B) (3, 8). 4. Six times the number of girlsLet g = number of girls A) 6 + g. B) 6g. C) G-6. D) None of the above. Show Answer Correct Answer: B) 6g. 5. What is the definition of an exponent? A) The number with no variable. B) The number in front of a variable. C) The letter used to represent a quantity. D) The little number or letter used to raise to a power. Show Answer Correct Answer: D) The little number or letter used to raise to a power. 6. Which method would be best (quickest) for solving the system below:2x + 2y = 113x-4y =-2 A) Substitution. B) Elimination. C) Graphing. D) None of these. Show Answer Correct Answer: B) Elimination. 7. Identify the substitution in the sentence:'She has a dog, and I have one too.' A) One. B) Too. C) Dog. D) She. Show Answer Correct Answer: A) One. 8. A ..... are two or more equations that have the same variables and work together. A) Slope intercept form. B) Elimination method. C) System of equations. D) Graphing lines. E) Table. Show Answer Correct Answer: C) System of equations. 9. Solve the following system of equations:y=4x+12 and y=x-15 A) (-9, -24). B) (9, 48). C) (9, -6). D) (-9, -6). Show Answer Correct Answer: A) (-9, -24). 10. An ordered pair that satisfies both equations in a system of linear equations is called a (a) to the system of equations. A) Inconsistent. B) Input. C) Coordinate. D) A. solution. Show Answer Correct Answer: D) A. solution. 11. Solve the system of linear equations by substitution. $y=x$ $y=2x-1$ A) $\left(1, 1\right)$. B) $\left(-1, 1\right)$. C) $\left(1, 0\right)$. D) $\left(1, \-1\right)$. Show Answer Correct Answer: A) $\left(1, 1\right)$. 12. Y = 5x + 78x-8y =-24 A) (4, 4). B) (4, -4). C) (-4, -4). D) (4, 0). Show Answer Correct Answer: B) (4, -4). 13. 8x-6y = 0y = 3x + 5 A) (3, 0). B) (-3, 0). C) (0, 3). D) (-3, -4). Show Answer Correct Answer: D) (-3, -4). 14. Medical study of skin and its diseases? A) Ophthalmalogy. B) Dermatology. C) Endocrinology. D) Nephrology. Show Answer Correct Answer: B) Dermatology. 15. M-nitrophenol is nitrated. The major products are A) 2, 3-dinitrophenol. B) 3, 4-dinitrophenol. C) 3, 6-dinitrophenol. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 16. The girls are talking in a low voices. They are ..... to each other. A) Whispering. B) Released. C) All the above. D) None of the above. Show Answer Correct Answer: A) Whispering. 17. The product of 7 and j increased by 3. A) 3j+7. B) 7j-3. C) 3+7j. D) 7(j+3). Show Answer Correct Answer: C) 3+7j. 18. A century is a period of ..... A) 50 years. B) 150 years. C) 1, 000 years. D) 100 years. Show Answer Correct Answer: D) 100 years. 19. Evaluate a-2b when a=-9 and b = 4 A) 22. B) -22. C) 14. D) -14. Show Answer Correct Answer: A) 22. 20. Which option shows a correct way to perform substitution in this system? $3x+1=y$ $2x+3y=25$ A) $2x+3\left(3x+1\right)=25$. B) $3x+1=\left(25-2x\right)$. C) $3x+1=\left(3x+1\right)$. D) $2x+\left(3x+1\right)=25$. Show Answer Correct Answer: A) $2x+3\left(3x+1\right)=25$. 21. Which method would be best (quickest) for solving the system below:3x-4y =-2y = 2x + 1 A) Substitution. B) Elimination. C) Graphing. D) None. Show Answer Correct Answer: A) Substitution. 22. What is the solution to the system of equations:y=x+2 and 3x + 3y = 6? A) (-1, 1). B) (1, 3). C) (2, 4). D) (0, 2). Show Answer Correct Answer: D) (0, 2). 23. The Study of Ancient Societies A) Anthropology. B) Etymology. C) Archaeology. D) History. Show Answer Correct Answer: C) Archaeology. 24. Which one of the following will undergo nucleophilic substitution with sodium hydroxide (aq)? A) Bromoethane. B) Ethane. C) Ethene. D) Cyclopentane. Show Answer Correct Answer: A) Bromoethane. 25. ..... are those materials with good performance or good functions that can be used in harmony with the environment. A) Ecomaterials. B) Raw materials. C) Re-using material. D) Substitute material. Show Answer Correct Answer: A) Ecomaterials. 26. A solution to a system that results in an unlimited amount of x values and an unlimited amount of y values that will satisfy both equations A) Infinite Solutions. B) One Solution. C) Beyond Solutions. D) No Solution. Show Answer Correct Answer: A) Infinite Solutions. 27. Work out the value of the expression when x = 3, y =-2 and z =-4.2x$^{2}$ + z$^{2 }$ A) 2. B) 50. C) 27. D) 34. Show Answer Correct Answer: D) 34. 28. When one material is substituted for another after a specific date A) Substituting materials-By date. B) Substituting materials-During master planning. C) Substituting materials-During production. D) None of the above. Show Answer Correct Answer: A) Substituting materials-By date. 29. That which cannot be changed A) Irrevocable. B) Immutable. C) Irrelevant. D) Irrepressible. Show Answer Correct Answer: B) Immutable. 30. What is the value of-6s-5h if s = 9 and h = 5? A) 79. B) -78. C) 78. D) -79. Show Answer Correct Answer: D) -79. ← PreviousNext →Related QuizzesGrammar QuizzesEnglish Grammar QuizzesSubstitution Quiz 1Substitution Quiz 2Substitution Quiz 4Substitution Quiz 5Substitution Quiz 6Substitution Quiz 7Substitution Quiz 8Substitution Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books